New (open box) Overview dodocool 3-Port USB 3.0 Hub with Gigabit Ethernet Adapter lets you easily add multiple peripherals via a single USB 3.0 port on your PCs and provides ultra-fast data transfer rates of up to 5 Gbps. Truly plug and play, the adapter requires no installation discs or external power. It is a perfect extension solution for home, office and business trip. SuperSpeed Data Transfer Multiply your connectivity with three USB 3.0 ports and provide ultra-fast data transfer rates of up to 5 Gbps, which is up to 10 times faster than USB 2.0. High Speed Ethernet Connect to the RJ45 Gigabit Ethernet port and support superfast network speeds of up to 1000 Mbps. Plug & Play Support hot swapping and enable you to connect or disconnect freely without having to reboot the PC. No software, drivers, or complicated installation is required. USB bus-powered, no need for external power supply. Universal Compatible Compatible with Windows 10 / 8.1 / 8 / 7 and most Mac OS X All sales are final